Refer to the exhibit:

This configuration is being applied on an IOS XR router.
Which statement about this configuration is true?

Refer to the exhibit. Router P4 and P5 receive the 0.0.0.0/0 route from the ISP via eBGP peering P4 is the primary Internet gateway router, and P5 is its Backup. P5 is already advertising a default route into OSPF domain. Which configuration must Be applied to P4 so that advertises a default route Into OSPF and Becomes me primary internet gateway for the network?

Refer to the exhibit. A network engineer is implementing an OSPF configuration. Based on the output, which statement is true?

Refer to the exhibit:

Which three outcomes occur if the prefix list is added to the neighbor? (Choose three)

A network engineer is configuring a BGP route policy for the SUBNET prefix set. Matching traffic must be dropped, and other traffic must have its MED value set to 400 and community 4:400 added to the route. Which configuration must an engineer apply?